ProLong’s range of 500year paper, folders and stationery products have been manufactured to the stringent specifications of the National Archives of Australia. Tested and approved by the National Archives of Australia, these products are recommended to all Government departments for the creation and storage of permanent records. Suitable for writing, printing, photocopying and laser printing, ProLong’s 500year archival paper should be used to create documents and publications that have long-term or permanent value.